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Configure NWLink

Updated: January 21, 2005

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

To configure NWLink

  1. Open Network Connections.

  2. Right-click a local area connection and then click Properties.

  3. On the General tab, click NWLink IPX/SPX/NetBIOS Compatible Transport Protocol, and then click Properties.

  4. On the General tab, type a value for Internal network number, or leave this setting at the default value of 00000000.

  5. Do one of the following:

  • Click Auto frame type detection, and then click OK.

  • Click Manual frame type detection, and do the following:

    • Click Add.

    • In the Manual Frame Detection dialog box, in Frame type, click a frame type.

    • In Network number, type a network number, and then click OK.

    • Repeat these steps for each frame type you want to include, and then click OK.


  • Client Service for NetWare is not available on 64-bit versions of Windows Server 2003 and Windows XP.

  • These instructions are for advanced users. New users should accept default values unless told otherwise by their network administrator.


  • To open Network Connections, click Start, click Control Panel, and then double-click Network Connections.

  • To configure NWLink, you must first install the NWLink IPX/SPX/NetBIOS Compatible Transport Protocol and be a member of the Administrators group.

  • Additional tunable parameters for NWLink are stored in the registry. In most situations, you should not need to modify the defaults. You should use this procedure only if you want to bind NWLink to a different network adapter or to manually change the frame type.

  • By default, NWLink automatically detects the frame type used by the network adapter to which it is bound. If NWLink detects no network traffic or if multiple frame types are detected in addition to the 802.2 frame type, NWLink sets the frame type to 802.2.

    You can determine which external network number, frame type, and internal network number your routers are using by typing ipxroute config at a command prompt.

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